| Coureur | Nat | Geb. / Overl. | Cm / Kg | Zeges | Dit jaar |
|---|---|---|---|---|---|
| Ernst Jakober | ARG | 1967-03-14 | ??cm / ??kg | 0 | 0 |
| Heinz Jakobi | DUI | 1922-09-03 | ??cm / ??kg | 0 | 0 |
| Tomas Jakoubek | CZE | 1999-12-17 | ??cm / ??kg | 0 | 0 |
| Paul Jalin | FRA | ??cm / ??kg | 0 | 0 | |
| Amirhossein Jamahisian Ghalehsefidi | IRI | 1999-01-13 | ??cm / ??kg | 0 | 0 |
| Javier Jamaica Mejia | COL | 1996-03-02 | ??cm / ??kg | 0 | 0 |
| M. Jamar | BEL | ??cm / ??kg | 0 | 0 | |
| Isidore Jamay | FRA | 1911-03-28 | ??cm / ??kg | 0 | 0 |
| Alaa Hasan Jameel | IRQ | 2003-11-09 | ??cm / ??kg | 0 | 0 |
| Anthony James | GBR | 1955-01-24 | ??cm / ??kg | 0 | 0 |
| Brett James | AUS | ??cm / ??kg | 0 | 0 | |
| David James | USA | 1960-06-30 | ??cm / ??kg | 0 | 0 |
| Greg James | AUS | ??cm / ??kg | 0 | 0 | |
| H. James | GBR | ??cm / ??kg | 0 | 0 | |
| Owen James | GBR | 1995-10-15 | ??cm / ??kg | 0 | 0 |
| Stephen James | NZL | 1972-05-30 | ??cm / ??kg | 0 | 0 |
| Tim James | GBR | 1998-02-14 | ??cm / ??kg | 0 | 0 |
| Alexandre Jamet | FRA | 1993-05-02 | ??cm / ??kg | 0 | 0 |
| Adam Jamieson | CDN | 1996-02-12 | ??cm / ??kg | 0 | 0 |
| Magnus Jamieson | NZL | 2006-08-10 | ??cm / ??kg | 0 | 0 |
| Mark Jamieson | AUS | 1984-05-04 | ??cm / ??kg | 0 | 0 |
| Timothy Jamieson | AUS | 1965-07-19 | ??cm / ??kg | 0 | 0 |
| Léo-Paul Jamin | FRA | 2001-07-02 | ??cm / ??kg | 0 | 0 |
| Julien Jamot | FRA | 1999-08-02 | ??cm / ??kg | 0 | 0 |
| Benardus Janbroers | NED | 1948-09-09 | ??cm / ??kg | 0 | 0 |
| Oskar Jandner | DUI | ??cm / ??kg | 0 | 0 | |
| Matthias Jandt | DUI | 1971-11-28 | ??cm / ??kg | 0 | 0 |
| Louis Janeiro | POR | 1966-04-17 | ??cm / ??kg | 0 | 0 |
| Jaime Janer | SPA | ??cm / ??kg | 0 | 0 | |
| Hun Jang | KOR | 2000-04-30 | ??cm / ??kg | 0 | 0 |
| Jun-Hyeok Jang | KOR | 2002-05-30 | ??cm / ??kg | 0 | 0 |
| Yeon-Ho Jang | KOR | 2003-09-29 | ??cm / ??kg | 0 | 0 |
| Young-Kyu Jang | KOR | 1999-10-19 | ??cm / ??kg | 0 | 0 |
| Blazej Janiaczyk | POL | 1983-01-27 | ??cm / ??kg | 0 | 0 |
| Samandar Janikulov | UZB | 2004-11-27 | ??cm / ??kg | 0 | 0 |
| Samuel Janisch | USA | 2000-04-10 | ??cm / ??kg | 0 | 0 |
| Gustav Janke | DUI | 1883-04-14 | ??cm / ??kg | 0 | 0 |
| Dass Janki | IND | ??cm / ??kg | 0 | 0 | |
| Dane Jankowiak | USA | 1983-04-04 | ??cm / ??kg | 0 | 0 |
| Hamed Jannat | IRI | 1989-10-02 | ??cm / ??kg | 0 | 0 |
| Diulio Janni | ITA | ??cm / ??kg | 0 | 0 | |
| Matyas Janos | CZE | 2001-05-29 | ??cm / ??kg | 0 | 0 |
| Henrique Janota | POR | 1973-01-09 | ??cm / ??kg | 0 | 0 |
| Francis Jansegers | BEL | 1965-07-18 | ??cm / ??kg | 0 | 0 |
| Gino Jansen | NED | 1969-03-14 - 2024-12-27 | ??cm / ??kg | 0 | 0 |
| Hein Jansen | NED | 1914-07-07 | ??cm / ??kg | 0 | 0 |
| Jan Jansen | NED | 1915-06-05 | ??cm / ??kg | 0 | 0 |
| Mathieu Jansen | NED | 1920-04-17 | ??cm / ??kg | 0 | 0 |
| P.G. Jansen | NED | 1875-09-02 | ??cm / ??kg | 0 | 0 |
| Pieter J. Jansen | NED | ??cm / ??kg | 0 | 0 |